when renaming reads in 'speedseq realign', don't append the readgroup to the read name (smaller file size)
when renaming reads in 'speedseq realign', don't append the readgroup to the read name (smaller file size)

pfxuan/speedseq,pfxuan/speedseq,hall-lab/speedseq,s-boardman/speedseq,pfxuan/speedseq,PiaEP/speedseq,PiaEP/speedseq,s-boardman/speedseq,s-boardman/speedseq,hall-lab/speedseq,pfxuan/speedseq,pfxuan/speedseq,PiaEP/speedseq,s-boardman/speedseq,hall-lab/speedseq,s-boardman/speedseq,PiaEP/speedseq,pombredanne/speedseq,hall-lab/speedseq,hall-lab/speedseq,pfxuan/speedseq,PiaEP/speedseq,pombredanne/speedseq,hall-lab/speedseq,pombredanne/speedseq,pombredanne/speedseq,s-boardman/speedseq,pombredanne/speedseq,pombredanne/speedseq,PiaEP/speedseq